2. Questions Bank
  3. 4th Class
  4. General Knowledge
  5. Science and Technology

4th Class General Knowledge Science and Technology Question Bank Science and Technology

  • question_answer
    Who invented Gramophone?

    A)  Michael Faraday

    B)  Fahrenheit

    C)  Sir Alexander Graham Bell   

    D)  Thomas Alva Edison 

    Correct Answer: D

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